The number in front of the Letter is the shift, the letter is the division, and the last numbers are their assigned area to patrol. For instance “2A97” would be 2 shift, A- Adam “Southwest Division”, 97 would be located in Adam 9 area of that division.
Adam Units- Southwest Division
Baker Units- Hefner Division
Charlie Units- Springlake Division
Delta Units- Santa Fe Division
Lincoln Units- Lieutenants
Victor Units- Watch Commanders as well as violent crime units
Paul Units- Off duty Assignment
Ocean Units- Special Assignment as well as civilian crime investigators
Tom Units- Traffic Units, Traffic fatality units
Union Units- Unmarked, also traffic units scattered in